OK, King will return with Queen (5)

I believe the answer is:

roger

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'ok' is the definition.
(I've seen this before)

'king will return with queen' is the wordplay.
'king' becomes 'egor' (I am not sure about this - if you are sure you should believe this answer much more).
'will return' is a reversal indicator.
'with' says to put letters next to each other.
'queen' becomes 'r' (r is abbreviation regina. e.g. in ER ).
'egor' backwards is 'roge'.
'roge'+'r'='ROGER'

Can you help me to learn more?

(Other definitions for roger that I've seen before include "One like de Coverley" , "Military 'OK'" , "Message received; name" , "... guy" , "Boy's name - I will do what you say" .)

I've seen this clue in The Hindu.

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